@article{10_4064_sm192_3_2,
     author = {Shuichi Sato},
     title = {Estimates for singular integrals and extrapolation},
     journal = {Studia Mathematica},
     pages = {219--233},
     year = {2009},
     volume = {192},
     number = {3},
     doi = {10.4064/sm192-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm192-3-2/}
}